We call this ASY only because the sample files provided by our customer end in .asy. We don't know what machine generates these files and we did not receive any format documentation on this format. But it is simple enough to guess the various parameters.
Header
Flat_Notch : Down Location of the flat or notch (0=bottom) Product A0000A Product (aka Device) ID Lot A200000 Wafer Lot Number Wafer 01 Wafer Number Date 2017-11-17 10:18 Date Probed (guessing) Number of good dies 13199 Good Die count Good die = Bin 1,Bin 1 Bin Code for Good Die Reference die = M reference die marked with bin code M Nlines: 145 number of rows in the array Ncols: 120 number of columns in the array
Map Section
The header is followed by the map.
...........................................FFFFFFFFFFFFFFF.................................... .....................................1111111111111111111111111................................ ...................................F111111111111111111111111111111............................ .................................F111111111111111111111111111111111111........................ ..............................F1111111111111111111111111111111111111111....................... ............................F11111111111111111111111111111111111111111111..................... ..........................11F111111111111111111111111111111111111111111111.................... ..........................111111111111111111111111111111111111111111111F11.................... ..........................1111111111111111111111111F1111111111111111111111....................